Here is the full list of all 49 Dino Run DX achievements.
6 Second Boulder Ride
10 Second Boulder Ride
All Hard Speedruns
60 Second Doom Surf
Found The Little Green Dude
Beat Medium Halloween Hellrun
Complete Hard Challenge
100 Fish Eaten
500 Lizards Eaten
50 Fish Eaten
All Medium Speedruns
30 Second Doom Surf
50 Dino Saved
4X Dactyl Chain
2000 Eggs Saved
500 Runners Eaten
3 Second Boulder Ride
25 Dino Saved
50 Worms Slurped
250 Lizards Eaten
1000 Eggs Saved
25 Fish Eaten
250 Runners Eaten
3X Dactyl Chain
50 Birds Devoured
10 Second Doom Surf
10 Dino Saved
25 Worms Slurped
100 Lizards Eaten
25 Birds Devoured
100 Runners Eaten
Complete Medium Challenge
5 Dino Saved
250 Eggs Saved
10 Worms Slurped
2X Dactyl Chain
10 Birds Devoured
1 Dino Saved
All Bronze Trophies
All Silver Trophies
All Gold Trophies
All Insane Speedruns
Complete Medium Planet D
Complete Hard Planet D
Complete Insane Planet D
Complete Insane Challenge
All Super Eggs Saved
Beat Hard Halloween Hellrun
Beat Insane Halloween Hellrun